Unusable square footage within a building space. For example, corridors, inside walls, custodian closets, utility spaces, etc.
Gross Square Footage (GSF) is the total floor area of a building measured from the exterior walls, including all usable and non-usable spaces. It encompasses areas such as walls, columns, and structural components, and is used for various purposes including space planning, leasing, and valuation. GSF provides a comprehensive measure of the building’s overall size.
Total area of a building including all spaces.
